[N21-2242] Server: course sync add handling for substitute teachers

[sdinkov]

Description

N21 2242 course sync add handling for substitute teachers

Links to Tickets or other pull requests

• https://ticketsystem.dbildungscloud.de/browse/N21-2242
• [N21-2242] Vue Client: course sync add handling for substitute teachers nuxt-client#3459
• [N21-2242] Legacy Client: course sync add handling for substitute teachers schulcloud-client#3543

Changes

Datasecurity

Deployment

New Repos, NPM pakages or vendor scripts

Approval for review

• DEV: If api was changed - generate-client:server was executed in vue frontend and changes were tested and put in a PR with the same branch name.
• QA: In addition to review, the code has been manually tested (if manual testing is possible)
• All points were discussed with the ticket creator, support-team or product owner. The code upholds all quality guidelines from the PR-template.

Notice: Please remove the WIP label if the PR is ready to review, otherwise nobody will review it.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud